Donald Trump's social media activity has been attracting a lot of attention - not least the markets. Previous posts aimed at companies saw billions wiped of company stock respectively. So is it possible to trade based on the President's tweets? One company looking to capitalise on this is 'Trigger'. Their app already provides real time advice to all levels of investors in reaction to world events... now, they've launched Trump Triggers reacting specifically to the President's remarks. Share Radio's Tom Hill spoke to their co-founder Rachel Mayer.
